add method to set Registers and retrieve PC

include/Cpu65816.hpp

@@ -47,6 +47,9 @@ class Cpu65816 {
 
         // Temporary
         bool executeNextInstruction();
+        void setXL(uint8_t x);
+        void setYL(uint8_t y);
+        Address getProgramAddress();
 
     private:
         SystemBus &mSystemBus;

src/Cpu65816.cpp

@@ -34,6 +34,19 @@ Cpu65816::Cpu65816(SystemBus &systemBus, EmulationModeInterrupts *emulationInter
             mStack(&mSystemBus) {
 }
 
+
+void Cpu65816::setXL(uint8_t x) {
+     mX = x;
+}
+void Cpu65816::setYL(uint8_t y) {
+         mY = y;
+
+}
+Address Cpu65816::getProgramAddress() {
+    return mProgramAddress;
+}
+
+
 /**
  * Resets the cpu to its initial state.
  * */